Beth is taking an eleven​-question ​multiple-choice test for which each question has three answer​ choices, only one of which is correct. Beth decides on answers by rolling a fair die and marking the first answer choice if the die shows 1 or​ 2, the second if the die shows 3 or​ 4, and the third if the die shows 5 or 6. Find the probability of the stated event.   exactly four correct answers

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Q: multiple choice exam, there are 5 questions and 4 choices for each question.  You did not study, and…

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Q: You randomly choose a marble from a jar. The jar contains 4 red marbles, 11 blue marbles, 9 green…

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Q: A quiz consists of 10 multiple-choice questions. Each question has 5 possible answers, only one of…

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Q: Amy spins a spinner with equal sections numbered 1 through 5 and flips a fair coin. Which statement…

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Q: You have a 30-sided dice. Your friend Hugo has three favorite numbers: 5, 3, and 10. What is the…

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Q: Mateo has a 9-question chemistry quiz and did not have time to study. If each question is…

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Q: You roll a fair six-sided die twice. Find the probability of rolling a 3 the first time and a number…

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Q: A cooler contains 100 ice cream bars. There are 30 Vanilla​ bars, 20 Mint Chocolate Chip​ bars,10…

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Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.